#include <stdio.h>
int main() {
unsigned char a,b,c,d,e,f,g,h,x,y,z;
unsigned char niu[8]={3,8,21,99,6,81,250};
unsigned char *sp;
sp=niu;
printf("%d",sizeof(sp));
a=*sp;//3
b=*sp+1;//4
c=*sp++;//3
d=*(sp+1);//21
e=*(sp++);//8
f=*(sp+sizeof(sp));//NULL
g=*(sp+sizeof(*sp));//99
h=sizeof(niu)+sizeof(a);//9
x=*sp;//21
y=sp[0];//21
z=niu[7];//NULL
    return 0;
}
